Digital sliding-mode control of piezoelectric micropositioning system based on input-output model
Xu Q.
Source PublicationIEEE Transactions on Industrial Electronics

Piezoelectric actuation micro-/nanopositioning systems have been widely employed in diverse micro-/nanomanipulation applications. This paper presents the design, analysis, and validation of a new control scheme termed input-output-based digital sliding-mode control (IODSMC) to suppress the unmolded nonlinearity and disturbance in piezoelectric micro-/nanopositioning systems. The controller is established based on a linear digital input-output nominal model. The scheme facilitates a rapid implementation because the construction of either a hysteresis model or a state observer is not needed. The chattering-free control is capable of achieving an O(T^{2}) output tracking accuracy by overcoming the model disturbance. Moreover, the stability of the control system is proved, and its effectiveness is validated through experimental investigations on a piezo-driven micropositioning system. Results demonstrate that the IODSMC scheme is superior to the conventional proportional-integral-derivative control for motion-tracking tasks. Furthermore, it exhibits promising robustness in front of internal and external disturbances. © 1982-2012 IEEE.

KeywordDigital Control Micro-/nanopositioning Piezoelectric Actuators Precision Motion Control Sliding Mode Control
URLView the original
Indexed BySCI
WOS Research AreaAutomation & Control Systems ; Engineering ; Instruments & Instrumentation
WOS SubjectAutomation & Control Systems ; Engineering, Electrical & Electronic ; Instruments & Instrumentation
WOS IDWOS:000336208200039
The Source to ArticleScopus
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Cited Times [WOS]:70   [WOS Record]     [Related Records in WOS]
Document TypeJournal article
AffiliationDepartment of Electromechanical Engineering, Faculty of Science and Technology, University of Macau, Macao, China
First Author AffilicationFaculty of Science and Technology
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Xu Q.. Digital sliding-mode control of piezoelectric micropositioning system based on input-output model[J]. IEEE Transactions on Industrial Electronics,2014,61(10):5517.
APA Xu Q..(2014).Digital sliding-mode control of piezoelectric micropositioning system based on input-output model.IEEE Transactions on Industrial Electronics,61(10),5517.
MLA Xu Q.."Digital sliding-mode control of piezoelectric micropositioning system based on input-output model".IEEE Transactions on Industrial Electronics 61.10(2014):5517.
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